Archipelago » qemu

/*

 * QEMU NE2000 emulation -- isa bus windup

 *

 * Copyright (c) 2003-2004 Fabrice Bellard

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to deal

 * in the Software without restriction, including without limitation the rights

 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

 * copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

 * THE SOFTWARE.

 */

#include "hw/hw.h"

#include "hw/i386/pc.h"

#include "hw/isa/isa.h"

#include "hw/qdev.h"

#include "net/net.h"

#include "ne2000.h"

#include "exec/address-spaces.h"

#define TYPE_ISA_NE2000 "ne2k_isa"

#define ISA_NE2000(obj) OBJECT_CHECK(ISANE2000State, (obj), TYPE_ISA_NE2000)

typedef struct ISANE2000State {

    ISADevice parent_obj;

    uint32_t iobase;

    uint32_t isairq;

    NE2000State ne2000;

} ISANE2000State;

static void isa_ne2000_cleanup(NetClientState *nc)

{

    NE2000State *s = qemu_get_nic_opaque(nc);

    s->nic = NULL;

}

static NetClientInfo net_ne2000_isa_info = {

    .type = NET_CLIENT_OPTIONS_KIND_NIC,

    .size = sizeof(NICState),

    .can_receive = ne2000_can_receive,

    .receive = ne2000_receive,

    .cleanup = isa_ne2000_cleanup,

};

static const VMStateDescription vmstate_isa_ne2000 = {

    .name = "ne2000",

    .version_id = 2,

    .minimum_version_id = 0,

    .minimum_version_id_old = 0,

    .fields      = (VMStateField []) {

        VMSTATE_STRUCT(ne2000, ISANE2000State, 0, vmstate_ne2000, NE2000State),

        VMSTATE_END_OF_LIST()

    }

};

static void isa_ne2000_realizefn(DeviceState *dev, Error **errp)

{

    ISADevice *isadev = ISA_DEVICE(dev);

    ISANE2000State *isa = ISA_NE2000(dev);

    NE2000State *s = &isa->ne2000;

    ne2000_setup_io(s, DEVICE(isadev), 0x20);

    isa_register_ioport(isadev, &s->io, isa->iobase);

    isa_init_irq(isadev, &s->irq, isa->isairq);

    qemu_macaddr_default_if_unset(&s->c.macaddr);

    ne2000_reset(s);

    s->nic = qemu_new_nic(&net_ne2000_isa_info, &s->c,

                          object_get_typename(OBJECT(dev)), dev->id, s);

    qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a);

}

static Property ne2000_isa_properties[] = {

    DEFINE_PROP_HEX32("iobase", ISANE2000State, iobase, 0x300),

    DEFINE_PROP_UINT32("irq",   ISANE2000State, isairq, 9),

    DEFINE_NIC_PROPERTIES(ISANE2000State, ne2000.c),

    DEFINE_PROP_END_OF_LIST(),

};

static void isa_ne2000_class_initfn(ObjectClass *klass, void *data)

{

    DeviceClass *dc = DEVICE_CLASS(klass);

    dc->realize = isa_ne2000_realizefn;

    dc->props = ne2000_isa_properties;

    set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);

}

static const TypeInfo ne2000_isa_info = {

    .name          = TYPE_ISA_NE2000,

    .parent        = TYPE_ISA_DEVICE,

    .instance_size = sizeof(ISANE2000State),

    .class_init    = isa_ne2000_class_initfn,

};

static void ne2000_isa_register_types(void)

{

    type_register_static(&ne2000_isa_info);

}

type_init(ne2000_isa_register_types)